Home / 74,815.45-103,231.18-44,603.56

Finding the Fourth Proportional to 74,815.45, 103,231.18 and 44,603.56

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Solution

The fourth proportional to 74,815.45, 103,231.18 and 44,603.56 is: 61,544.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,815.45 : 103,231.18 = 44,603.56 : x
  2. Step 2: Convert to fraction form
    74,815.45/103,231.18 = 44,603.56/x
  3. Step 3: Cross multiply
    74,815.45x = 103,231.18 × 44,603.56
  4. Step 4: Simplify right side
    74,815.45x = 4,604,478,131.00
  5. Step 5: Solve for x
    x = 4,604,478,131.00/74,815.45
  6. Step 6: Final answer
    x = 61,544.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.